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प्रश्न
Give three applications of electrolysis.
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उत्तर
Three applications of electrolysis are :
- Electroplating with metals
- Electrorefining of metals
- Extraction of metals
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संबंधित प्रश्न
Name the following :
The process of coating of iron with zinc
Copy and complete the following table:
| Anode | Electrolyte | |
| Purification of copper |
Choose the correct answer from the options given below:
The electrolyte used for electroplating an article with silver is
A. Silver nitrate solution
B. Silver cyanide solution
C. Sodium argentocyanide solution
D. Nickel sulfate solution
Out of Cu and Ag, which is more active?
How is impure copper purified by electrolysis ? Explain.
The following question relate to the electroplating of an article with silver.
Name the electrode formed by the article which is to be plated.
Element X is a metal with valency 2. Element Y is a non-metal with valency 3.
(a) Write equations to show how X and Y form ions.
(b) If Y is diatomic gas, write the equation for the direct combination of X and Y to form a compound.
(c) Write two applications of electrolysis in which anode diminish in mass.
(d) If the compound formed between X and Y is melted and an electric current passed through the molten compound, the element X will be obtained at the _____ and the Y at the ________of the electrolytic cell. (Provide the missing words).
The electrolyte used for electroplating an article with silver is ______.
Copy and complete the following table :
| Anode | Electrolyte | |
| Purification of copper |
Which solution is preferred as electrolyte, CuSO4 or FeSO4?
